October 6th, 2012, 10:01 AM  #1 
Newbie Joined: Oct 2012 Posts: 13 Thanks: 0  Simplify trig equation
cot(2arcsinx) Please help, thanks in advance 
October 6th, 2012, 10:07 AM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 465 Math Focus: Calculus/ODEs  Re: Simplify trig equation
Using the doubleangle identity for cotangent, we may write: Can you finish? 
October 6th, 2012, 10:14 AM  #3  
Newbie Joined: Oct 2012 Posts: 13 Thanks: 0  Re: Simplify trig equation Quote:
 
October 6th, 2012, 10:18 AM  #4 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 465 Math Focus: Calculus/ODEs  Re: Simplify trig equation
No, you want to substitute for into: Using: 
October 6th, 2012, 11:13 AM  #5  
Newbie Joined: Oct 2012 Posts: 13 Thanks: 0  Re: Simplify trig equation Quote:
 

Tags 
equation, simplify, trig 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Differentiate and simplify trig function  ckooiker  Calculus  6  October 27th, 2011 11:10 AM 
please confirm trig identity answer.expand, simplify & prove  sneijder  Algebra  2  April 8th, 2011 12:30 PM 
Simplify trig expression  masters  Algebra  2  March 25th, 2011 09:37 AM 
simplify trig function  bigwave  Algebra  2  October 20th, 2009 10:15 AM 
SIMPLIFY TRIG  SNAIKO  Algebra  12  January 21st, 2007 06:04 AM 